PSY 555 Homework 13

Chapter 9 #1,2,3,5,6,7,8

1. When would you use a correlation? A regression?

2. Put the following correlation coefficients in descending order from the strongest to the weakest relation.

-.34,.99,.87,-.24,.55,-1.0,.01,.43,-.02,.11,.66,-.85,.28,-.97,-.12

3. Explain the difference between predictor and criterion variables.